CN117686057A - Photoelectric liquid level switch - Google Patents

Abstract

The invention relates to the technical field of photoelectric liquid level switches, and particularly discloses a photoelectric liquid level switch, which comprises a photoelectric sensor and a combined frame, wherein one end of the photoelectric sensor is fixedly connected with a terminal plug, the outer side of the terminal plug is sleeved with a female seat, a splicing block on one combined frame is spliced with a splicing groove on the other combined frame, a first screw rod rotates and then moves a limiting rod, the limiting rod slowly moves and is inserted into a limiting hole of the splicing block, and a plurality of combined frames are spliced and combined together according to the installation position of the photoelectric sensor, so that the position of the female seat is adjusted, the position of the photoelectric sensor is adjusted, different installation scenes and requirements are met, the installation flexibility and the accuracy of the liquid level switch in a barrel-type liquid storage device are improved, the problem that the liquid level switch is limited by the female seat in installation can be effectively solved, and the flexibility and the accuracy of the liquid level switch are improved.

Description

Photoelectric liquid level switch

Technical Field

The invention relates to the technical field of photoelectric liquid level switches, in particular to a photoelectric liquid level switch.

Background

The photoelectric liquid level switch is generally composed of a light source, a photoelectric sensor and a controller, when the level of liquid reaches or exceeds a set position, light rays are blocked or reflected, so that the sensor is triggered and signals are sent to the controller to perform corresponding control or alarm, and the liquid level switch is commonly used in liquid storage and conveying systems in industrial production to ensure accurate control and management of the liquid.

For example, chinese patent with publication number CN216846447U discloses a photoelectric liquid level switch, which comprises a detection head, the one end fixedly connected with connector of detection head, the one end fixedly connected with connecting wire of connector, the one end fixedly connected with terminal head of connecting wire, the surface of connecting wire has cup jointed the pyrocondensation pipe, the inside fixed mounting of connector has the main control circuit board, main control circuit board signal connection has photoelectric sensor.

The photoelectric liquid level switch has the advantages that although the convenience of the use of the switch is enhanced, the liquid level switch can only be installed according to the installation position of the female plug when installed on a barrel type liquid storage device, the monitoring position cannot be replaced randomly because the female plug position of the connecting terminal plug is usually fixed and cannot be adjusted, the flexibility and the accuracy are required to be improved, and the heat shrinkage pipeline of the connecting terminal plug is easy to deform, so that the position of the photoelectric sensor can be changed, and the accuracy of the liquid level switch can be reduced.

For this purpose, we propose a photoelectric level switch to solve the above-mentioned problems.

Disclosure of Invention

The invention aims to provide a photoelectric liquid level switch, which solves the problems that when the liquid level switch is arranged in a barrel type liquid storage device and a box type liquid storage device in the prior art, the liquid level switch can only be arranged according to the installation position of a female plug, and the position of the female plug of a connecting terminal plug is usually fixed and not adjustable, so that the monitoring position cannot be replaced at will, the flexibility and the accuracy are required to be improved, and a heat shrinkage pipeline of the connecting terminal plug is easy to deform, so that the position of a photoelectric sensor is changed, and the accuracy of the liquid level switch is also reduced.

In order to achieve the above purpose, the invention provides a photoelectric liquid level switch, which comprises a photoelectric sensor and a combined frame, wherein one end of the photoelectric sensor is fixedly connected with a terminal plug, the outer side of the terminal plug is sleeved with a female seat, one end of the female seat, which is far away from the photoelectric sensor, is fixedly connected with an integrated block, one end of the integrated block is fixedly connected with a sliding seat, a plurality of combined frames are arranged, one side of each combined frame is provided with a sliding groove, the sliding seat is slidably connected in the sliding grooves, one side of each combined frame is provided with a splicing mechanism, a plurality of combined frames are connected through the splicing mechanism, one side of each sliding seat is fixedly provided with a positioning mechanism, the sliding seat is fixedly connected with the sliding grooves, and one top end of each combined frame is fixedly connected with a hanging frame.

Further, splicing mechanism includes the splice piece, splice piece fixed connection is in the one end both sides of combination frame, splice piece assorted splice groove has all been seted up to the other end both sides of combination frame, splice piece and splice groove swing joint, splice groove's inside swing joint has the gag lever post, the inside of splice piece has seted up with gag lever post assorted spacing hole, one side and spacing hole swing joint of gag lever post, the first limiting plate of one end fixedly connected with of gag lever post, the equal fixedly connected with fixed block in both sides of combination frame, the inside threaded connection of fixed block has first screw rod, gag lever post and first limiting plate all with first screw rod threaded connection, first limiting plate sliding connection is in the inside of fixed block, the one end fixedly connected with first handle of first screw rod, first handle rotates to be connected on the fixed block, through above setting, according to the installation demand, can make a plurality of combination framves can be fixed, reasonable installation design, avoid length too high or too low to satisfy user demand, have, customization and flexibility and convenient to install and space saving etc..

Further, positioning mechanism includes the guide way, the both sides inner wall at the spout is seted up to the guide way, the inside sliding connection of guide way has the guide block, the one end of guide block and the one end fixed connection of slide, the inside swing joint of slide has the locating lever, and one side and the guide block swing joint of locating lever, one end and one side inner wall swing joint of guide way of locating lever, the one end fixedly connected with second limiting plate of locating lever, second limiting plate sliding connection is in the inside of slide, the slide is close to photoelectric sensor's one end rotation and is connected with the pivot, the one end fixedly connected with handle of pivot, the handle rotates to be connected on the slide, the inside rotation of slide is connected with the second screw rod, the both sides screw thread of second screw rod sets up for opposite, locating lever and second limiting plate all with second screw rod threaded connection, one side fixedly connected with second bevel gear that the pivot is close to the second screw rod, first bevel gear and second bevel gear meshing are connected to in order to set up easy operation in order to improve the convenient for personnel's the operation position in the slide greatly.

Further, the inside fixedly connected with division board of slide, first bevel gear and second bevel gear all are located the inboard of division board, the second screw rod passes through the bearing and rotates with the division board and be connected.

Further, one side threaded connection of stores pylon has the third screw rod, the one end fixedly connected with second handle of third screw rod, the other end fixedly connected with of third screw rod compresses tightly the piece, compress tightly piece swing joint in the inboard of stores pylon.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the splice blocks on one combination frame are spliced with the splice grooves on the other combination frame by arranging the plurality of splice frames, the first screw rod rotates and then moves the limiting rod, the limiting rod slowly moves and is inserted into the limiting holes of the splice blocks, and the positions of the master seats can be adjusted by splicing and combining the plurality of combination frames according to the installation positions of the photoelectric sensors, so that the positions of the photoelectric sensors are adjusted, the installation flexibility and the accuracy of the liquid level switch in the barrel-type liquid storage device are improved according to different installation scenes and requirements, and the problem that the liquid level switch is limited by the master seat during installation can be effectively solved by the design, so that the flexibility and the accuracy of the liquid level switch are improved.

In the invention, the combined frame and the integrated block are hard plates, and the mother seat is fixed on the integrated block, so that the wires are not exposed outside and are not easy to deform, the position of the photoelectric sensor connected with the wires is not changed, the problem of accuracy caused by position change due to deformation of the connecting wire when the liquid level switch is used is effectively solved, and the reliability and stability of the liquid level switch in practical application are improved.

And when the sliding seat is required to be fixed, the second screw rod rotates to enable the positioning rods on two sides to relatively move, the guide blocks on the positioning rods slowly extend out of the sliding seat to be attached to the guide grooves on the inner wall of the sliding groove, so that the friction force of a contact surface is increased, the sliding seat can not slide in the sliding groove continuously, the installation position of the photoelectric sensor can be fixed quickly, and the operation is very simple and convenient.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a schematic view of the bottom structure of the combined frame in the present invention;

FIG. 3 is a schematic view of the top structure of the assembled rack according to the present invention;

FIG. 4 is a schematic view of a positioning mechanism according to the present invention;

FIG. 5 is a schematic diagram of a connection structure between a slider and an integrated seat according to the present invention;

FIG. 6 is an enlarged schematic view of the structure of FIG. 2A according to the present invention;

fig. 7 is an enlarged view of the structure of fig. 3B according to the present invention.

In the figure: 1. a photoelectric sensor; 2. a terminal plug; 3. a female seat; 4. an integrated block; 5. a combination rack; 6. a splicing mechanism; 61. splicing blocks; 62. a splice groove; 63. a limiting hole; 64. a limit rod; 641. a first limiting plate; 65. a fixed block; 66. a first screw; 67. a first handle; 7. a slide; 8. a chute; 9. a positioning mechanism; 91. a guide groove; 92. a guide block; 93. a positioning rod; 931. a second limiting plate; 94. a rotating shaft; 95. a handle; 96. a first bevel gear; 97. a second bevel gear; 98. a second screw; 99. a partition plate; 10. a hanging rack; 11. a third screw; 12. a second handle; 13. and (5) compacting the sheet.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-7, in the embodiment of the invention, a photoelectric liquid level switch comprises a photoelectric sensor 1 and a combined frame 5, wherein one end of the photoelectric sensor 1 is fixedly connected with a terminal plug 2, the outer side of the terminal plug 2 is sleeved with a master socket 3, one end of the master socket 3, which is far away from the photoelectric sensor 1, is fixedly connected with an integrated block 4, a main control circuit board is fixed in the integrated block 4, one end of the integrated block 4 is fixedly connected with a sliding seat 7, the combined frame 5 is provided with a plurality of sliding grooves 8, one side of the combined frame 5 is provided with a splicing mechanism 6, one side of the combined frame 5 is connected with the sliding seat 7 through the splicing mechanism 6, one side of the sliding seat 7 is fixedly provided with a positioning mechanism 9, the sliding seat 7 is fixedly connected with the sliding groove 8 through the positioning mechanism 9, and the top end of the combined frame 5 is fixedly connected with a hanging frame 10.

Referring to fig. 1, 2 and 6, the splicing mechanism 6 includes a splicing block 61, the splicing block 61 is fixedly connected to two sides of one end of the combined frame 5, two sides of the other end of the combined frame 5 are provided with splicing grooves 62 matched with the splicing block 61, the splicing block 61 is movably connected with the splicing grooves 62, a limit rod 64 is movably connected to the inside of the splicing grooves 62, a limit hole 63 matched with the limit rod 64 is provided in the inside of the splicing block 61, one side of the limit rod 64 is movably connected with the limit hole 63, one end of the limit rod 64 is fixedly connected with a first limit plate 641, two sides of the combined frame 5 are fixedly connected with a fixed block 65, the inside of the fixed block 65 is in threaded connection with a first screw 66, the limit rod 64 and the first limit plate 641 are in threaded connection with the first screw 66, one end of the first screw 66 is fixedly connected with a first handle 67, and the first handle 67 is rotatably connected to the fixed block 65; through fixed splice block 61 in combination frame 5 one end, the splice groove 62 is offered to the other end, make the combination frame 5 can splice the combination, the mounted position of extension photoelectric sensor 1, can freely adjust, through movable gag lever post 64 in splice groove 62, after splice block 61 inserts splice block 61's spacing hole 63 in, make splice block 61 and splice groove 62 fixed, can make the fixed unable separation of combination frame 5 between the adjacent, the fixed block 65 is installed to combination frame 5 both sides, the first screw 66 of fixed block 65 internal thread, gag lever post 64 slides in fixed block 65 and links to each other with first screw 66 screw thread through first limiting plate 641, first handle 67 is fixed to first screw 66 tip, rotate first handle 67 and can make first screw 66 rotate, thereby can make gag lever post 64 remove.

Referring to fig. 4, 5 and 7, the positioning mechanism 9 includes a guide slot 91, the guide slot 91 is formed on two inner walls of the sliding slot 8, a guide block 92 is slidably connected in the guide slot 91, one end of the guide block 92 is fixedly connected with one end of the sliding seat 7, a positioning rod 93 is movably connected in the sliding seat 7, one side of the positioning rod 93 is movably connected with the guide block 92, one end of the positioning rod 93 is movably connected with one inner wall of the guide slot 91, one end of the positioning rod 93 is fixedly connected with a second limiting plate 931, the second limiting plate 931 is slidably connected in the sliding seat 7, one end of the sliding seat 7 close to the photoelectric sensor 1 is rotatably connected with a rotating shaft 94, one end of the rotating shaft 94 is fixedly connected with a handle 95, the handle 95 is rotatably connected to the sliding seat 7, the inner portion of the sliding seat 7 is rotatably connected with a second screw 98, two side threads of the second screw 98 are oppositely arranged, one side of the rotating shaft 94 close to the second screw 98 is fixedly connected with a first bevel gear 931 96, one side of the second screw 98 close to the rotating shaft 94 is fixedly connected with a second bevel gear 96, one side of the second screw 98 close to the rotating shaft 94 is meshed with the second bevel gear 96; through seting up guide slot 91 at spout 8 both sides inner wall, the guide block 92 is installed to slide 7 both sides, the guide block 92 slides in guide slot 91, restrict the position of slide 7, make slide 7 unable to fall out spout 8, locating lever 93 can stretch out guide block 92 and guide slot 91 contact, locating lever 93 is fixed with the rubber gasket with guide slot 91 contact surface, thereby restrict guide block 92 and slide in guide slot 91, restrict slide 7 and slide 8 to slide, through installing pivot 94 on slide 7, first bevel gear 96 is connected to pivot 94, rotate second screw 98 in slide 7, connect second bevel gear 97 on the second screw 98, rotate pivot 94 through second handle 12, pivot 94 makes first bevel gear 96 rotate, first bevel gear 96 drives second bevel gear 97 and rotates, second bevel gear 97 drives second screw 98 rotate, because second screw 98 both sides screw thread is opposite, can provide power for the removal of two locating levers 93.

Referring to fig. 4, a partition plate 99 is fixedly connected to the inside of the slide 7, a first bevel gear 96 and a second bevel gear 97 are both positioned on the inner side of the partition plate 99, and a second screw 98 is rotatably connected with the partition plate 99 through a bearing; by fixing the partition plate 99 in the slide 7, the position of the second stopper plate 931 can be restricted, and the second stopper plate 931 is prevented from coming into contact with the first bevel gear 96 and the second bevel gear 97.

Referring to fig. 1, a third screw rod 11 is screwed on one side of a hanger 10, one end of the third screw rod 11 is fixedly connected with a second handle 12, the other end of the third screw rod 11 is fixedly connected with a compressing sheet 13, and the compressing sheet 13 is movably connected on the inner side of the hanger 10; the hanging rack 10 can be hung at a box-type or barrel-type opening, the second handle 12 is rotated, the third screw 11 is rotated to enable the pressing piece 13 to move, the pressing piece 13 is attached to the outer wall of the box-type or barrel-type, and then the liquid level switch can be fixed and is easy to take down subsequently.

The working principle of the invention is as follows: the splicing block 61 on one combined frame 5 is spliced with the splicing groove 62 on the other combined frame 5, a worker drives the first screw rod 66 to rotate through the first handle 67, the first screw rod 66 enables the limiting rod 64 to move, the limiting rod 64 moves to be limited through the first limiting plate 641, the limiting rod 64 slowly moves to be inserted into the limiting hole 63 of the splicing block 61, the combined frames 5 are spliced together to adjust the position of the female seat 3, then the dust collecting block is pushed to enable the sliding seat 7 to slide in the sliding grooves 8 of the combined frames 5, meanwhile, the guide block 92 slides in the guide groove 91 to adjust the position of the photoelectric sensor 1, the problem that the position of the female seat 3 is limited when the liquid level switch is installed is solved, the flexibility and the accuracy of the liquid level switch are improved, when the sliding seat 7 needs to be fixed, the worker drives the second screw rod 98 to rotate through the second handle 12, the positioning rods 93 at two sides are moved relatively, the positioning rods 93 are limited by the second limiting plate 931, the positioning rods 93 slowly extend out of the guide blocks 92 on the sliding seat 7 to be attached to the guide grooves 91 on the inner wall of the sliding groove 8, the friction force of the contact surface is increased, accordingly, the sliding seat 7 cannot continuously slide in the sliding groove 8, the installation position of the photoelectric sensor 1 can be fixed rapidly, the operation is very simple and convenient, the combined frame 5 and the integrated block 4 are hard plates, the female seat 3 is fixed on the integrated block 4, the wires are not exposed, and cannot be contacted and not easily deformed, the position of the photoelectric sensor 1 connected by the wires cannot be changed, the problem of accuracy caused by position change due to deformation of connecting wires when the liquid level switch is used is effectively solved, and the reliability and stability of the photoelectric sensor in practical application are improved.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (9)

1. The utility model provides a photoelectric type liquid level switch, its characterized in that, includes photoelectric sensor and combination frame, photoelectric sensor's one end fixedly connected with terminal plug, female seat has been cup jointed in terminal plug's the outside, female seat keeps away from photoelectric sensor's one end fixedly connected with integrated piece, integrated piece's one end fixedly connected with slide, the combination frame has a plurality of, the spout has been seted up to one side of combination frame, slide sliding connection is in the inside of spout, one side of combination frame is equipped with splicing mechanism, and is a plurality of the combination frame passes through splicing mechanism and connects, one side fixed mounting of slide has positioning mechanism, the slide passes through positioning mechanism and spout fixed connection, one the top fixedly connected with stores pylon of combination frame.

2. The photoelectric liquid level switch according to claim 1, wherein the splicing mechanism comprises splicing blocks, the splicing blocks are fixedly connected to two sides of one end of the combined frame, splicing grooves matched with the splicing blocks are formed in two sides of the other end of the combined frame, and the splicing blocks are movably connected with the splicing grooves.

3. The photoelectric liquid level switch according to claim 2, wherein a limit rod is movably connected in the splicing groove, a limit hole matched with the limit rod is formed in the splicing block, one side of the limit rod is movably connected with the limit hole, and one end of the limit rod is fixedly connected with a first limit plate.

4. The photoelectric liquid level switch according to claim 3, wherein the two sides of the combination frame are fixedly connected with fixing blocks, the first screw is connected with the fixing blocks in a threaded manner, the limiting rod and the first limiting plate are connected with the first screw in a threaded manner, the first limiting plate is slidably connected in the fixing blocks, one end of the first screw is fixedly connected with a first handle, and the first handle is rotatably connected to the fixing blocks.

5. The photoelectric liquid level switch according to claim 1, wherein the positioning mechanism comprises a guide groove, the guide groove is formed in inner walls of two sides of the sliding groove, a guide block is slidably connected in the guide groove, one end of the guide block is fixedly connected with one end of the sliding seat, a positioning rod is movably connected in the sliding seat, one side of the positioning rod is movably connected with the guide block, one end of the positioning rod is movably connected with inner walls of one side of the guide groove, a second limiting plate is fixedly connected with one end of the positioning rod, and the second limiting plate is slidably connected in the sliding seat.

6. The photoelectric liquid level switch according to claim 5, wherein one end of the sliding seat close to the photoelectric sensor is rotatably connected with a rotating shaft, one end of the rotating shaft is fixedly connected with a handle, the handle is rotatably connected to the sliding seat, a second screw rod is rotatably connected to the inner portion of the sliding seat, threads on two sides of the second screw rod are oppositely arranged, and the positioning rod and the second limiting plate are in threaded connection with the second screw rod.

7. The photoelectric liquid level switch according to claim 6, wherein a first bevel gear is fixedly connected to one side of the rotating shaft, which is close to the second screw rod, a second bevel gear is fixedly connected to one side of the second screw rod, which is close to the rotating shaft, and the first bevel gear is in meshed connection with the second bevel gear.

8. The photoelectric liquid level switch according to claim 7, wherein the inside of the slide is fixedly connected with a partition plate, the first bevel gear and the second bevel gear are both positioned on the inner side of the partition plate, and the second screw is rotatably connected with the partition plate through a bearing.

9. The photoelectric liquid level switch according to claim 1, wherein a third screw is connected to one side of the hanger in a threaded manner, one end of the third screw is fixedly connected with a second handle, the other end of the third screw is fixedly connected with a pressing plate, and the pressing plate is movably connected to the inner side of the hanger.